CertOpenSystemStoreA

// CRYPT32.dll  (ANSI / -A)
#include <windows.h>

HCERTSTORE CertOpenSystemStoreA(
    HCRYPTPROV_LEGACY hProv,   // optional
    LPCSTR szSubsystemProtocol
);

<DllImport("CRYPT32.dll", CharSet:=CharSet.Ansi, SetLastError:=True, ExactSpelling:=True)>
Public Shared Function CertOpenSystemStoreA(
    hProv As UIntPtr,   ' HCRYPTPROV_LEGACY optional
    <MarshalAs(UnmanagedType.LPStr)> szSubsystemProtocol As String   ' LPCSTR
) As IntPtr
End Function

' hProv : HCRYPTPROV_LEGACY optional
' szSubsystemProtocol : LPCSTR
Declare PtrSafe Function CertOpenSystemStoreA Lib "crypt32" ( _
    ByVal hProv As LongPtr, _
    ByVal szSubsystemProtocol As String) As LongPtr
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

CertOpenSystemStoreA = ctypes.windll.crypt32.CertOpenSystemStoreA
CertOpenSystemStoreA.restype = ctypes.c_void_p
CertOpenSystemStoreA.argtypes = [
    ctypes.c_size_t,  # hProv : HCRYPTPROV_LEGACY optional
    wintypes.LPCSTR,  # szSubsystemProtocol : LPCSTR
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('CRYPT32.dll')
CertOpenSystemStoreA = Fiddle::Function.new(
  lib['CertOpenSystemStoreA'],
  [
    Fiddle::TYPE_UINTPTR_T,  # hProv : HCRYPTPROV_LEGACY optional
    Fiddle::TYPE_VOIDP,  # szSubsystemProtocol : LPCSTR
  ],
  Fiddle::TYPE_VOIDP)

#[link(name = "crypt32")]
extern "system" {
    fn CertOpenSystemStoreA(
        hProv: usize,  // HCRYPTPROV_LEGACY optional
        szSubsystemProtocol: *const u8  // LPCSTR
    ) -> *mut core::ffi::c_void;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("CRYPT32.dll", CharSet = CharSet.Ansi, SetLastError = true)]
public static extern IntPtr CertOpenSystemStoreA(UIntPtr hProv, [MarshalAs(UnmanagedType.LPStr)] string szSubsystemProtocol);
"@
$api = Add-Type -MemberDefinition $sig -Name 'CRYPT32_CertOpenSystemStoreA' -Namespace Win32 -PassThru
# $api::CertOpenSystemStoreA(hProv, szSubsystemProtocol)

#uselib "CRYPT32.dll"
#func global CertOpenSystemStoreA "CertOpenSystemStoreA" sptr, sptr
; CertOpenSystemStoreA hProv, szSubsystemProtocol   ; 戻り値は stat
; hProv : HCRYPTPROV_LEGACY optional -> "sptr"
; szSubsystemProtocol : LPCSTR -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "CRYPT32.dll"
#cfunc global CertOpenSystemStoreA "CertOpenSystemStoreA" sptr, str
; res = CertOpenSystemStoreA(hProv, szSubsystemProtocol)
; hProv : HCRYPTPROV_LEGACY optional -> "sptr"
; szSubsystemProtocol : LPCSTR -> "str"

; HCERTSTORE CertOpenSystemStoreA(HCRYPTPROV_LEGACY hProv, LPCSTR szSubsystemProtocol)
#uselib "CRYPT32.dll"
#cfunc global CertOpenSystemStoreA "CertOpenSystemStoreA" intptr, str
; res = CertOpenSystemStoreA(hProv, szSubsystemProtocol)
; hProv : HCRYPTPROV_LEGACY optional -> "intptr"
; szSubsystemProtocol : LPCSTR -> "str"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	crypt32 = windows.NewLazySystemDLL("CRYPT32.dll")
	procCertOpenSystemStoreA = crypt32.NewProc("CertOpenSystemStoreA")
)

// hProv (HCRYPTPROV_LEGACY optional), szSubsystemProtocol (LPCSTR)
r1, _, err := procCertOpenSystemStoreA.Call(
	uintptr(hProv),
	uintptr(unsafe.Pointer(windows.BytePtrFromString(szSubsystemProtocol))),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // HCERTSTORE

function CertOpenSystemStoreA(
  hProv: NativeUInt;   // HCRYPTPROV_LEGACY optional
  szSubsystemProtocol: PAnsiChar   // LPCSTR
): THandle; stdcall;
  external 'CRYPT32.dll' name 'CertOpenSystemStoreA';

result := DllCall("CRYPT32\CertOpenSystemStoreA"
    , "UPtr", hProv   ; HCRYPTPROV_LEGACY optional
    , "AStr", szSubsystemProtocol   ; LPCSTR
    , "Ptr")   ; return: HCERTSTORE

●CertOpenSystemStoreA(hProv, szSubsystemProtocol) = DLL("CRYPT32.dll", "void* CertOpenSystemStoreA(int, char*)")
# 呼び出し: CertOpenSystemStoreA(hProv, szSubsystemProtocol)
# hProv : HCRYPTPROV_LEGACY optional -> "int"
# szSubsystemProtocol : LPCSTR -> "char*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。